package com.yuan.plugin.string;

public class StringHelper {

	public static boolean isNull(String s){
		if(s == null ) return true;
		return false;
	}
	
	public static boolean isStringNull(String s){
		if(s == null || s.equals("") || s.equals("null") || s.equals("NULL")){
			return true;
		}else{
			return false;
		}
	}
}
